Hi. I'm reworking an example of parallax mapping with OSG. I've stopped at cleaning up shaders and I don't understand some lines there. Here's the vertex shader: http://goo.gl/uen5gQ According to this article: http://www.txutxi.com/?p=316 TBN matrix converts tangent space to object space. Is it correct? It seems to me that TBN matrix converts from tangent space to the space of the matrix itself. Any help here? Thanks.
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